In the structured system, signals are proceeded by low-pass filter, Fourier Trans form, range analyzing and expert system based on Neural Network.

运用数字滤波、傅立叶变换，以及幅值分析和基于神经网络的专家系统等方法对信号进行监测和诊断。

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Dalian Baichuan industrial cloth Co. , LTD, 30 KM north of Dalian, is an expert supplier of filter.

大连百川工业用布有限公司位于大连市内以北30公里处，是针刺毡材料和滤袋的专业生产厂家。

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